General

  • Target

    55E393DA1714013720DDF266C7906F43.exe

  • Size

    2.6MB

  • Sample

    240401-qhx93sfd53

  • MD5

    55e393da1714013720ddf266c7906f43

  • SHA1

    91a636913604184c010c2d9e0b331a804a2c0ab4

  • SHA256

    6f10a5ac32b9f8b590199dd88c976057d19a6215224aafe45270dd3154d4b957

  • SHA512

    40a61e1d461717e45eff3be6b22561ac39c2ef1af39b46f7d149fe823d14a06bb99605a78e794d6447ece43ce6b4854192e47ad993ed4a2e78479bc7e155fe8a

  • SSDEEP

    49152:VvONaX/Lpt/IvKfeF4tIDpdIA/gvCRtDKYZ8NfBcPQSqzULJgxl6Y4KB7KkP3C+Y:VGNajwvKfpyMdvCRNZZ8NJcPQSEU9Q6z

Malware Config

Extracted

Family

redline

Botnet

tg

C2

163.5.112.53:51523

Targets

    • Target

      55E393DA1714013720DDF266C7906F43.exe

    • Size

      2.6MB

    • MD5

      55e393da1714013720ddf266c7906f43

    • SHA1

      91a636913604184c010c2d9e0b331a804a2c0ab4

    • SHA256

      6f10a5ac32b9f8b590199dd88c976057d19a6215224aafe45270dd3154d4b957

    • SHA512

      40a61e1d461717e45eff3be6b22561ac39c2ef1af39b46f7d149fe823d14a06bb99605a78e794d6447ece43ce6b4854192e47ad993ed4a2e78479bc7e155fe8a

    • SSDEEP

      49152:VvONaX/Lpt/IvKfeF4tIDpdIA/gvCRtDKYZ8NfBcPQSqzULJgxl6Y4KB7KkP3C+Y:VGNajwvKfpyMdvCRNZZ8NJcPQSEU9Q6z

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Impact

Service Stop

1
T1489

Tasks